U.S. EPA has published and/or updated Health Advisories (HAs) for the following four PFAS: Perfluorooctanoic Acid (PFOA) – 0.004 parts per trillion (ppt) Perfluorooctane Sulfonate (PFOS) – 0.02 ppt Hexafluoropropylene Oxide (HFPO) Dimer Acid and its Ammonium Salt, also known as “GenX chemicals” – 10 ppt Perfluorobutane Sulfonic Acid and its Potassium Salt (PFBS) – […]
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The Evolving PFAS Landscape
Regulatory approaches vary from state to state. History and Pending Federal Oversight Per- and polyfluoroalkyl substances (PFAS) continue to gain regulatory attention across the country since being added to the US EPA’s Unregulated Contaminant Monitoring Rule list in 2012. On February 14, 2019, U.S. EPA released the PFAS Action Plan, which addressed potential inclusion of […]
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